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74 lines
2.4 KiB
Diff
74 lines
2.4 KiB
Diff
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From 937472c7d58945412f75ad7a4f9d44c83be42ab4 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Mon, 30 Nov 2020 16:57:01 +0000
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Subject: [PATCH 0946/1085] drm/panel: ilitek-ili9881c: Allow configuration of
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the number of lanes
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Not all panels use all 4 data lanes, so allow configuration based
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on the compatible string.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
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+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
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@@ -45,6 +45,7 @@ struct ili9881c_desc {
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const size_t init_length;
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const struct drm_display_mode *mode;
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const unsigned long mode_flags;
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+ unsigned int lanes;
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};
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struct ili9881c {
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@@ -1565,7 +1566,7 @@ static int ili9881c_dsi_probe(struct mip
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dsi->mode_flags = ctx->desc->mode_flags;
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dsi->format = MIPI_DSI_FMT_RGB888;
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- dsi->lanes = 4;
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+ dsi->lanes = ctx->desc->lanes;
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ret = mipi_dsi_attach(dsi);
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if (ret)
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@@ -1587,6 +1588,7 @@ static const struct ili9881c_desc lhr050
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.init_length = ARRAY_SIZE(lhr050h41_init),
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.mode = &lhr050h41_default_mode,
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.mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE,
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+ .lanes = 4,
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};
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static const struct ili9881c_desc k101_im2byl02_desc = {
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@@ -1594,6 +1596,7 @@ static const struct ili9881c_desc k101_i
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.init_length = ARRAY_SIZE(k101_im2byl02_init),
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.mode = &k101_im2byl02_default_mode,
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.mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE,
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+ .lanes = 4,
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};
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static const struct ili9881c_desc nwe080_desc = {
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@@ -1601,6 +1604,7 @@ static const struct ili9881c_desc nwe080
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.init_length = ARRAY_SIZE(nwe080_init),
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.mode = &nwe080_default_mode,
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.mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO,
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+ .lanes = 4,
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};
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static const struct ili9881c_desc tl050hdv35_desc = {
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@@ -1617,6 +1621,7 @@ static const struct ili9881c_desc w55294
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.mode = &w552946aba_default_mode,
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.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
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MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET,
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+ .lanes = 4,
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};
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static const struct ili9881c_desc cfaf7201280a0_050tx_desc = {
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@@ -1624,6 +1629,7 @@ static const struct ili9881c_desc cfaf72
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.init_length = ARRAY_SIZE(cfaf7201280a0_050tx_init),
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.mode = &cfaf7201280a0_050tx_default_mode,
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.mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO,
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+ .lanes = 4,
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};
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static const struct of_device_id ili9881c_of_match[] = {
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